Alright, let's solve this math problem step by step. First, we have the number 681. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 72. So, we're going to take the number 681 and add it to itself 72 times.
Step 1: 0 + 681 = 681
Step 2: 681 + 681 = 1362
Step 3: 1362 + 681 = 2043
Step 4: 2043 + 681 = 2724
Step 5: 2724 + 681 = 3405
Step 6: 3405 + 681 = 4086
Step 7: 4086 + 681 = 4767
Step 8: 4767 + 681 = 5448
Step 9: 5448 + 681 = 6129
Step 10: 6129 + 681 = 6810
Step 11: 6810 + 681 = 7491
Step 12: 7491 + 681 = 8172
Step 13: 8172 + 681 = 8853
Step 14: 8853 + 681 = 9534
Step 15: 9534 + 681 = 10215
Step 16: 10215 + 681 = 10896
Step 17: 10896 + 681 = 11577
Step 18: 11577 + 681 = 12258
Step 19: 12258 + 681 = 12939
Step 20: 12939 + 681 = 13620
Step 21: 13620 + 681 = 14301
Step 22: 14301 + 681 = 14982
Step 23: 14982 + 681 = 15663
Step 24: 15663 + 681 = 16344
Step 25: 16344 + 681 = 17025
Step 26: 17025 + 681 = 17706
Step 27: 17706 + 681 = 18387
Step 28: 18387 + 681 = 19068
Step 29: 19068 + 681 = 19749
Step 30: 19749 + 681 = 20430
Step 31: 20430 + 681 = 21111
Step 32: 21111 + 681 = 21792
Step 33: 21792 + 681 = 22473
Step 34: 22473 + 681 = 23154
Step 35: 23154 + 681 = 23835
Step 36: 23835 + 681 = 24516
Step 37: 24516 + 681 = 25197
Step 38: 25197 + 681 = 25878
Step 39: 25878 + 681 = 26559
Step 40: 26559 + 681 = 27240
Step 41: 27240 + 681 = 27921
Step 42: 27921 + 681 = 28602
Step 43: 28602 + 681 = 29283
Step 44: 29283 + 681 = 29964
Step 45: 29964 + 681 = 30645
Step 46: 30645 + 681 = 31326
Step 47: 31326 + 681 = 32007
Step 48: 32007 + 681 = 32688
Step 49: 32688 + 681 = 33369
Step 50: 33369 + 681 = 34050
Step 51: 34050 + 681 = 34731
Step 52: 34731 + 681 = 35412
Step 53: 35412 + 681 = 36093
Step 54: 36093 + 681 = 36774
Step 55: 36774 + 681 = 37455
Step 56: 37455 + 681 = 38136
Step 57: 38136 + 681 = 38817
Step 58: 38817 + 681 = 39498
Step 59: 39498 + 681 = 40179
Step 60: 40179 + 681 = 40860
Step 61: 40860 + 681 = 41541
Step 62: 41541 + 681 = 42222
Step 63: 42222 + 681 = 42903
Step 64: 42903 + 681 = 43584
Step 65: 43584 + 681 = 44265
Step 66: 44265 + 681 = 44946
Step 67: 44946 + 681 = 45627
Step 68: 45627 + 681 = 46308
Step 69: 46308 + 681 = 46989
Step 70: 46989 + 681 = 47670
Step 71: 47670 + 681 = 48351
Step 72: 48351 + 681 = 49032

So, 681*72 = 49032